nyoj-892-买牛奶

#include<stdio.h>
struct
{
char name[20];
double x;
int y;
}a[20];
int main()
{
int s;
scanf("%d",&s);
while(s--)
{
int n,i;
double t=0.0;
scanf("%d",&n);
for(i=0;i<n;i++)
{
scanf("%s",a[i].name);
scanf("%lf%d",&a[i].x,&a[i].y);
if(a[i].x>=1.5&&a[i].x<=5&&a[i].y<=300)
t+=a[i].x;
}
if(t==0.0)
printf("-1\n");
else
{
for(i=0;i<n;i++)
if(a[i].x>=1.5&&a[i].x<=5&&a[i].y<=300)
printf("%s\n",a[i].name);
printf("%.1lf\n",t);
}
}
return 0;
}